If the tank is not filling all the way (there should be a fill lineon the inside of the tank), carefully bend the bulb of the float valve up a bit and see if the tank will fill.
如果水箱没有充满正常水量(水箱内侧应该有一条水位线),慢慢地弯曲一下浮囊阀,看水位会不会上升。
2
The PLC double redundant control sys- tem structure , hardware configuration and software running status were described on the basis of PROFIBUS-DP field bus onfloat glass line .